Simple Harmonic Motion: Parameters and Typical Relationship - 无忧得胜-网上国际课程 (5edu.win)

1#

05.12: A mass on the end of ad7er5)dlh+ xwwme 5 4 z5mm-ik spring oscillates with the displacement versus time graph shown to the right. Which of the following statements about its motion is INCOReidlwe5-wmxm+4m5 dr zk7) h 5RECT?

A. The amplitude of the oscillations is 0.08 meters.

B. The frequency of oscillations is 0.5 Hz.

C. The mass achieves a maximum in speed at t = 1.0 second.

D. The period of oscillations is 2.0 seconds.

E. The mass experiences a maximum in the size of the acceleration at t = 1.5 s.

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.08: A mass is connected1t)1 b yei/shp to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass asbyp/hei11s )t measured from the floor as a function of time.
What is the period of the mass’s oscillation (in units of seconds)?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

10.09: A mass is connected to the end of a spring and undergoes simple harmo4 m4lwjo6p6mdnic oscillation. The graph provided shows the position of the masdmmljw46 46p os as measured from the floor as a function of time.
What is the amplitude of the mass’s oscillation (in units of meters)?

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

14.08: A 2.50 g mass connected to the end of an ideal spring oscillates inrx ,n. 0hgfrp6hon ;e; simple harmonic motion. The mass’s position is described as a function of time by x(t) =0.20 cos(8.00 t + 0.50) wher,gfn.h; ern0 x;h op6re all quantities are in base SI units. Which one of the following choices gives the numerical value of the oscillation’s amplitude in base SI units?

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.26: The position of+ o-ekn1ob9 sd a mass connected to a spring obeys x(t) = Acos(wt) . What is o- 1ben sk+9dothe average speed for one full oscillation in terms of the mass’s maximum speed during oscillation, $V_max$?

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.37: An object on a spring underkjg(p 71, g py msrat9(fd)4xu/vv*mrgoes Simple Harmonic Motion. Its motion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m is in meters and t is in seconds. What is the a497 pmx/kfg,uj*v1agdv(t (srp y r) mmplitude of the vibrating mass on the spring?

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.38: An object on a spring undergoes Simple Harmonic Motion. Its mor,.oj voe j4h1m8y)wytion can be described by thefollowing equation y = (0.3 m) sin (10π t + 4) where m i m y orvj8.e1oh,w)jy4s in meters and t is in seconds. What is the period of vibration of the mass on the spring?

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

00.08: A pendulum is pulled to one side and released. It swings fre1f0ftlm:dr o t 1u5t*t)flb85plntu)ely to the opposite side and stops. Which of the following mi0uf8tf15 rlou)5nbtlm f1 dt): l *ttpght best represent graphs of kinetic energy $E_k$, potential energy $E_p$ and total energy $E_T$?

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.18: The motion of an object moving along a straight line is given by thev h1rqqn vbh 1pb/y;2) velocity vs. time gyb11qrh) 2pbvqvhn ;/raph shown.
Which one of the following choices best represents the average acceleration of the object during the time interval from t=4.0 sto t=9.0 s?

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.19: The motion of an object moving along a straightdkr.xnt 4y4k67el+ j )qo *3 h)qvrmgf line is given by the velocity vs. time graph 4mv4n.q)3 ohe)6+dkx frrqg tyjlk*7shown.
Which one of the following choices best represents the instantaneous acceleration of the object at the time of t=5.0s?

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

12.17: A mass moves according to the graph of po0s9jmfv 92xvysition as a function of time shown9vys j m29vf0x below.
Which one of the following choices correctly represents the time instants or time interval for which the instantaneous velocity of the mass is considered always to be negative? Lettrepresent time.

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.05: Amass m; attached to a horizontal massless spring with spring cpx b24 )p5:h94gun)qg j ljwkr6r8ked onstant k; is set into simple harmonic motion. Itje64qrrhup8d g2 9k)lgw5j 4 n:)kpbx s maximum displacement from its equilibrium position is A. What is the mass’s speed as it passes through its equilibrium position?

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.40: A block of mass M is initially at rest on a frictionless floor,zo+srwq ) 3oz-ow) m8 d3;lqed as shown in the accompanying figure. The block, attached to a massless spring with spring constant k, is initially at its equilibrium position. An arrow with mass m and velocity v is shot into the block. The arr w zq -ddw)zoeo+solq3 3)r;m8ow sticks in the block. What is the maximum compression of the spring?

A. $x= v\frac{\sqrt{m}}{k}$

B. $x= v\frac{\sqrt{k}}{m}$

C. $x= v\frac{\sqrt{M+m}}{k}$

D. $x= \frac{(M+m)v}{\sqrt{mk}}$

E. $x= \frac{mv}{\sqrt{(M+m)k}}$

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.36: A mass m is attached to a spring with a spring cone+: wbmq 6z robd8o;f-stant k. If the mass is set into simple harmonic motion by a displacement d from its equilibrium position, what would be the speed,v, of the mass when it returns to equim;+ zoqb8robw-fed :6librium position?

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

08.48: A block of mass M on a horizontal surface *al*mt0 tv5dwnk3*di is connected to the end of a massless spring of spring constant k. The block is pulled a distance x from equilibrium and when released from rest, the block moves toward equilibrium. What minimum coefficient of kinetic friction between the surface and the block would prevent the td5w0vt*lak i*n dm*3block from returning to equilibrium with non-zero speed?

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